Sofa



FIG. 1 is a front elevational view of the sofa comprising my new design;

FIG. 2 is a right side elevational view there, the opposite sideelevational view being a mirror image thereof; and,

FIG. 3 is a top plan view thereof.

The broken lines shown are for illustrative purposes only and form nopart of the claimed design.

The ornamental design for a sofa, as shown and described.